/*
 * Copyright 2021 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kie.workbench.common.dmn.client.widgets.codecompletion.feel;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import org.kie.dmn.feel.parser.feel11.FEEL_1_1Parser;

public class DisplayNameUtils {

    public static List<String> getDisplayName(final FEEL_1_1Parser parser,
                                              final Map<Integer, List<Integer>> tokens) {
        return tokens
                .keySet()
                .stream().map(tokenIndex -> getDisplayName(parser, tokenIndex))
                .collect(Collectors.toList());
    }

    private static String getDisplayName(final FEEL_1_1Parser parser,
                                         final Integer tokenIndex) {
        return parser.getVocabulary().getDisplayName(tokenIndex).replace("'", "");
    }
}
